Construction op beds for



HENRY J. 'YESTON, OF BUFFALO, NEIN YORK.

CONSTRUCTION OF BEDS FR SHINGLE-MACHINES.

Specification of Letters Patent No. 13,555, dated September 11, 1855.

To all whom t may concern Be it known that I, HENRY J. lVnsroN, ofBuffalo, in the county of Erie and State of New York, have invented anew and useful Improvement in Machines for Making Shingles and for otherPurposes; and I do hereby declare that the following description,illustrated by the accompanying drawings and references, making part ofthis specification, is suliiciently clear and comprehensive to enableothers of competent skill to make and use my invention, in which- Figurel, is a front end elevation-with the back part of the machine removed.Fig. 2, is a transverse sectional elevation through the line a?, ofFigs. 4, 5, and 6, showing the position of the rollers and the springunder the yielding gage roller certain portions being removed as inFig. 1. Fig. 8, is a transverse sectional elevation through the line e,e, Figs. 4, 5, and G, showing the spring under the yielding bed plateF.. Fig. 4, is a longitudinal section through the line IV, IV, of Fig.5. Fig. is a ground plan. Fig. 6 is a side elevation. Fig. 7, is asectional elevation of the dividing knife with the shaving knives and amore desirable application of the eccentrics J, J, and Fig. 8 is aground plan of Fig. 7.

The nature of my invention consists in making the bed which supports thetimber as it is fed up to the riving knife, in two yielding parts soarranged that when the follower which forces the timber forward into themachine has completed its forward motion, it will have carried thetimber beyond the rst part of the yielding bed so as to allow that partof the bed to rise to its proper position to gage the thickness of thenext shingles to be split off, while at the same time the other part ofthe bed may be in operation to hold the timber up to the riving knife.

B, B, is the cast iron frame of the machine supported by and bolted tothe wooden bed A, A.

C is the riving knife.

D, D, are gage rollers, the upper one being stationary during theoperation of the machine, but adjustable by the set. screws d, and thelower one being yielding and resting on the spring Z as shown in drawingFig. 2. These gage rollers serve to guide the piece of timber separatedfrom the original block to the dividing knife E.

F, F, are tinted rollers hung in the levers G, G, and made yielding bythe springs c, c, which springs are attached to the leve-rs. Theselevers work on journals g, g, in the frame B.

I, I, are shaving knives attached by their ends to the levers G, Gr, andI, I, are stationary shaving knives attached by their ends to the frameB as represented. The ends of these levers Gr, Gr, opposite the knivesI, I, rest on eccentrics J, J, which eccentrics are attached to the rockshaft K on which rock shaft the arm L is attached outside of the frameof the machine.

z' as a bolt by which the connecting rod N is attached to the arm L,which arm is slotted to permit an adjustment of its length by the bolti. This rod N is connected by the crank M to the driving shaft O, whichalso communicates motion to the driver P, by means of the connection Q.

A bolt or block T, of wood being' placed on the yielding bed plate R,It, as shown at Figs. 3 and 4 which bed plate ris divided at S, to allowthe part R, (when the part R is forced below its natural position by thecasually increased thickness of the piece separated) to rise to itsproper position to form a gage for the next succeeding mold or piecewhich is to be split from the block T, by the next succeeding forwardmotion of the driver. Its operation is as follows: The riving knife Cseparates from the block T, a sufcient amount of timber t, for two ormore shingles in thickness (the block being forced against the knife C,by the driver). The block T being replaced upon the bed R, another mold7, is separated which forces the previous mold t onward between the gagerollers D, D, against the dividing knife E, and between the flutedrollers F, F, and the dividing knife E respectively which keeps the twoparts of the mold t in contact with the dividing knife and shavingknives I, I. Another mold c being taken from the block T as describedand forced on by the driver P, against the preceding mold, drives thetwo parts of the mold t, between the stationary knives I', I, and thevibrating knives I, I.

The connection between the eccentrics J J, rock shaft K, arm L,connecting rod N, and crank M give the requisite motion to the levers G,G, and knives I, I, to produce the required taper for the shingles intheir passage through between the knives, or by enough to make tWo ormore shingles and then subdividing it, neither do I claim thecombination of tWo or more riving knives for that purpose; but

I claim- Making the yielding bed R, R, in two parts and arranging thoseparts in the inanner herein described and represented.

HENRY J. WESTON. l/Vitnesses:

THos. T. HOWM JOI-IN B. FAIRBANK.

